[v2 PATCH 1/1] booke/wdt: some ioctls do not return values properly

Subsystems: the rest, watchdog device drivers

STALE5100d

3 messages, 3 authors, 2012-08-17 · open the first message on its own page

[v2 PATCH 1/1] booke/wdt: some ioctls do not return values properly

From: Tiejun Chen <hidden>
Date: 2012-08-07 02:05:11

Fix some booke wdt ioctls return value error.

Signed-off-by: Tiejun Chen <redacted>
---
 drivers/watchdog/booke_wdt.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c
index 3fe82d0..5b06d31 100644
--- a/drivers/watchdog/booke_wdt.c
+++ b/drivers/watchdog/booke_wdt.c
@@ -166,18 +166,17 @@ static long booke_wdt_ioctl(struct file *file,
 
 	switch (cmd) {
 	case WDIOC_GETSUPPORT:
-		if (copy_to_user((void *)arg, &ident, sizeof(ident)))
-			return -EFAULT;
+		return copy_to_user(p, &ident, sizeof(ident)) ? -EFAULT : 0;
 	case WDIOC_GETSTATUS:
 		return put_user(0, p);
 	case WDIOC_GETBOOTSTATUS:
 		/* XXX: something is clearing TSR */
 		tmp = mfspr(SPRN_TSR) & TSR_WRS(3);
 		/* returns CARDRESET if last reset was caused by the WDT */
-		return (tmp ? WDIOF_CARDRESET : 0);
+		return put_user((tmp ? WDIOF_CARDRESET : 0), p);
 	case WDIOC_SETOPTIONS:
 		if (get_user(tmp, p))
-			return -EINVAL;
+			return -EFAULT;
 		if (tmp == WDIOS_ENABLECARD) {
 			booke_wdt_ping();
 			break;
-- 
1.5.6

Re: [v2 PATCH 1/1] booke/wdt: some ioctls do not return values properly

From: Tabi Timur-B04825 <hidden>
Date: 2012-08-07 02:20:16

On Mon, Aug 6, 2012 at 8:59 PM, Tiejun Chen [off-list ref] wro=
te:
Fix some booke wdt ioctls return value error.

Signed-off-by: Tiejun Chen <redacted>
It's not the greatest patch description, but it'll do.

Acked-by: Timur Tabi <redacted>

--=20
Timur Tabi
Linux kernel developer at Freescale=

Re: [v2 PATCH 1/1] booke/wdt: some ioctls do not return values properly

From: Kumar Gala <hidden>
Date: 2012-08-17 14:07:35

On Aug 6, 2012, at 8:59 PM, Tiejun Chen wrote:
Fix some booke wdt ioctls return value error.

Signed-off-by: Tiejun Chen <redacted>
---
drivers/watchdog/booke_wdt.c |    7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)
applied to merge

- k
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